Avoid a potential uninitialized use

If `read_device` fails to open a directory, it frees `ent_path` without
ever assigning to it. Explicitly initialize `ent_path` with `NULL` to
prevent that uninitialized use.

1 files changed, 1 insertions, 1 deletions

diff --git a/brightnessctl.c b/brightnessctl.c
index 1629a35..31a066d 100644
--- a/brightnessctl.c
+++ b/brightnessctl.c
@@ -434,7 +434,7 @@ bool read_device(struct device *d, char *class, char *id) {
 	DIR *dirp;
 	FILE *f;
 	char *dev_path = NULL;
-	char *ent_path;
+	char *ent_path = NULL;
 	int error = 0;
 	struct dirent *ent;
 	bool cur;